15 Times Kate Middleton's Smile Lit Up a Room

kate middleton
Pool/Reuters/Splash News

Historically speaking, members of the royal family tend to keep a poker face when in public. Sure, they'll turn up the corners of their mouths on occasion in the form of cracking a small smile, but for the most part, royals are pretty stoic -- except for Kate Middleton, that is. Ever since she became a duchess, Kate has been smiling and laughing during public appearances. And, dare we say, it's damn refreshing. 

From cracking up at Prince William's expense to cheesing hard at Wimbledon, here are 15 times Kate Middleton's smile has lit up a room. Or, more apropos, a crowd of adoring fans.